B6-6 EnginesThe Estes B6 6 engine is designed to support advanced model rocketry lessons and experiments, particularly those involving multi stage launches or high altitude flights in lightweight rockets. With a 6 second delay and dependable thrust, this engine provides students with an excellent opportunity to explore the principles of aerodynamics, momentum, and recovery system timing in a hands on, visual format. Delivering 5. 00 N sec of total impulse and up